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A Phase III Study of SM-13496 in Patients With Bipolar I Depression.

A Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Study of SM-13496 for the Treatment of Bipolar I Depression.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01986101
Enrollment
525
Registered
2013-11-18
Start date
2014-02-19
Completion date
2017-02-16
Last updated
2022-04-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bipolar Depression

Brief summary

The study evaluates the efficacy and safety of SM-13496 compared with placebo in patients with Bipolar I Depression.

Detailed description

The primary objective is to compare the efficacy of SM-13496 (20-60 or 80-120 mg/day) monotherapy with that of placebo in patients with depressive symptoms associated with bipolar I disorder by assessing the change from baseline in the MADRS total score at Week 6.

Interventions

DRUGPlacebo

Placebo comparator

SM-13496 20mg for Days 1-7 and beginning Day 8 flexibly dosed 20-60 mg/day for Weeks 2-6

Sponsors

Sumitomo Pharma Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 74 Years
Healthy volunteers
No

Inclusion criteria

* Patients who were fully informed of and understand the objectives, procedures, and possible benefits and risks of the study and who provided written voluntary consent to participate in the study. * Outpatients aged 18 through 74 years at the time of consent * Patients meets DSM-IV-TR criteria for bipolar I disorder, most recent episode depressed (≥ 4 weeks and less than 12 months) without psychotic features.

Exclusion criteria

* Patients with imminent risk of suicide or injury to self, others, or property. * Patients who had been hospitalized because of a manic or mixed episode within 60 days prior to screening. * Patients who are otherwise considered ineligible for the study by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at Week 6Baseline to 6 weeksMontgomery-Asberg Depression Rating Scale (MADRS)is a clinician-rated assessment of a subject's level of depression. The MADRS total score ranges from a minimum of 0 to a maximum of 60. For the MADRS total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The MADRS contains ten (10) items. The total score is computed as the sum of the scores for the 10 items.

Secondary

MeasureTime frameDescription
Change From Baseline in the SDS Total Score at Week 6 (LOCF)Baseline to 6 weeksSheehan Disability Scale (SDS) total score is a subject-rated assessment of a subject's level of functional impairment in work/school, social life and family life/home responsibilities. The SDS total score ranges from a minimum of 0 to a maximum of 30. For the SDS total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The SDS contains three (3) items. The total score is computed as the sum of the scores for the 3 items.
Change From Baseline in the CGI-BP-S (Depression) Score at Week 6Baseline to 6 weeksClinical Global Impression Bipolar Version, Severity of Illness (CGI-BP-S) score (depression) is a clinician-rated assessment of a subject's level of depression. The CGI depression score ranges from a minimum of 1 to a maximum of 7. For the CGI depression score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome.
Change From Baseline in the YMRS Total Score at Week 6Baseline to 6 weeksYMRS (Young Mania Rating Scale) is a clinician-rated assessment of the severity of mania in subjects with a diagnosis of bipolar disorder. The YMRS total score ranges from a minimum of 0 to a maximum of 60. For the YMRS total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The YMRS contains eleven (11) items. The total score is computed as the sum of the scores for the 11 items.
Change From Baseline in the HAM-A Total Score at Week 6 (LOCF)Baseline to 6 weeksThe Hamilton Rating Scale for Anxiety (HAM-A) scale is a rating scale developed to quantify the severity of anxiety symptomatology. The HAM-A total score ranges from a minimum of 0 to a maximum of 56. For the HAM-A total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The HAM-A contains fourteen (14) items. The total score is computed as the sum of the scores for the 14 items.

Countries

Japan, Lithuania, Malaysia, Philippines, Russia, Slovakia, Taiwan, Ukraine

Participant flow

Participants by arm

ArmCount
Placebo
once daily orally Placebo
171
SM-13496 20 - 60 mg/Day
once daily orally SM-13496 (lurasidone HCl): SM-13496 20 mg/day for Days 1-7 and beginning Day 8 flexibly dosed 20-60 mg/day for Weeks 2-6
182
SM-13496 80 - 120 mg/Day
once daily orally SM-13496 (lurasidone HCl): SM-13496 20 mg/day for Days 1-2, 40 mg/day for Days 3-4, 60 mg/day for Days 5-6, 80 mg/day on Day 7 and beginning Day 8 flexibly dosed 80-120 mg/day for Weeks 2-6
169
Total522

Baseline characteristics

CharacteristicTotalSM-13496 80 - 120 mg/DaySM-13496 20 - 60 mg/DayPlacebo
Age, Continuous42.4 years
STANDARD_DEVIATION 12.77
43.2 years
STANDARD_DEVIATION 12.78
42.6 years
STANDARD_DEVIATION 12.86
41.3 years
STANDARD_DEVIATION 12.64
Clinical Global Impression Bipolar Version, Severity of Illness (CGI-BP-S) Score (Depression)4.58 units on a scale
STANDARD_DEVIATION 0.666
4.58 units on a scale
STANDARD_DEVIATION 0.603
4.57 units on a scale
STANDARD_DEVIATION 0.7
4.60 units on a scale
STANDARD_DEVIATION 0.69
Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score30.8 units on a scale
STANDARD_DEVIATION 5.35
30.8 units on a scale
STANDARD_DEVIATION 5.09
30.6 units on a scale
STANDARD_DEVIATION 5.57
30.9 units on a scale
STANDARD_DEVIATION 5.39
Race/Ethnicity, Customized
Asian
220 Participants66 Participants77 Participants77 Participants
Race/Ethnicity, Customized
White
302 Participants103 Participants105 Participants94 Participants
Region of Enrollment
Japan
178 Participants53 Participants65 Participants60 Participants
Region of Enrollment
Lithuania
10 Participants4 Participants4 Participants2 Participants
Region of Enrollment
Malaysia
19 Participants6 Participants6 Participants7 Participants
Region of Enrollment
Philippines
11 Participants3 Participants3 Participants5 Participants
Region of Enrollment
Russia
145 Participants50 Participants51 Participants44 Participants
Region of Enrollment
Slovakia
16 Participants4 Participants7 Participants5 Participants
Region of Enrollment
Taiwan
12 Participants4 Participants3 Participants5 Participants
Region of Enrollment
Ukraine
131 Participants45 Participants43 Participants43 Participants
Sex: Female, Male
Female
277 Participants88 Participants95 Participants94 Participants
Sex: Female, Male
Male
245 Participants81 Participants87 Participants77 Participants
Sheehan Disability Scale (SDS) total score19.7 units on a scale
STANDARD_DEVIATION 5.35
19.8 units on a scale
STANDARD_DEVIATION 5.58
19.4 units on a scale
STANDARD_DEVIATION 5.29
19.9 units on a scale
STANDARD_DEVIATION 5.22

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 1720 / 1840 / 169
other
Total, other adverse events
44 / 17249 / 18475 / 169
serious
Total, serious adverse events
5 / 1722 / 1844 / 169

Outcome results

Primary

Change From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at Week 6

Montgomery-Asberg Depression Rating Scale (MADRS)is a clinician-rated assessment of a subject's level of depression. The MADRS total score ranges from a minimum of 0 to a maximum of 60. For the MADRS total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The MADRS contains ten (10) items. The total score is computed as the sum of the scores for the 10 items.

Time frame: Baseline to 6 weeks

Population: Intention-to-treat population is analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboChange From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at Week 6-10.6 units on a scaleStandard Error 0.72
SM-13496 20 - 60 mg/DayChange From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at Week 6-13.6 units on a scaleStandard Error 0.69
SM-13496 80 - 120 mg/DayChange From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at Week 6-12.6 units on a scaleStandard Error 0.73
p-value: 0.00795% CI: [-4.9, -1]Mixed Models Analysis
p-value: 0.05795% CI: [-4, 0.1]Mixed Models Analysis
Secondary

Change From Baseline in the CGI-BP-S (Depression) Score at Week 6

Clinical Global Impression Bipolar Version, Severity of Illness (CGI-BP-S) score (depression) is a clinician-rated assessment of a subject's level of depression. The CGI depression score ranges from a minimum of 1 to a maximum of 7. For the CGI depression score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome.

Time frame: Baseline to 6 weeks

Population: Intention-to-treat population is analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboChange From Baseline in the CGI-BP-S (Depression) Score at Week 6-1.11 units on a scaleStandard Error 0.092
SM-13496 20 - 60 mg/DayChange From Baseline in the CGI-BP-S (Depression) Score at Week 6-1.51 units on a scaleStandard Error 0.088
SM-13496 80 - 120 mg/DayChange From Baseline in the CGI-BP-S (Depression) Score at Week 6-1.41 units on a scaleStandard Error 0.093
p-value: 0.00295% CI: [-0.65, -0.15]Mixed Models Analysis
p-value: 0.01995% CI: [-0.56, -0.05]Mixed Models Analysis
Secondary

Change From Baseline in the HAM-A Total Score at Week 6 (LOCF)

The Hamilton Rating Scale for Anxiety (HAM-A) scale is a rating scale developed to quantify the severity of anxiety symptomatology. The HAM-A total score ranges from a minimum of 0 to a maximum of 56. For the HAM-A total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The HAM-A contains fourteen (14) items. The total score is computed as the sum of the scores for the 14 items.

Time frame: Baseline to 6 weeks

Population: Intention-to-treat population is analyzed. Values were missing for some subjects.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboChange From Baseline in the HAM-A Total Score at Week 6 (LOCF)-5.7 units on a scaleStandard Error 0.51
SM-13496 20 - 60 mg/DayChange From Baseline in the HAM-A Total Score at Week 6 (LOCF)-7.4 units on a scaleStandard Error 0.49
SM-13496 80 - 120 mg/DayChange From Baseline in the HAM-A Total Score at Week 6 (LOCF)-6.4 units on a scaleStandard Error 0.5
p-value: 0.01695% CI: [-3.1, -0.3]ANCOVA
p-value: 0.29495% CI: [-2.1, 0.7]ANCOVA
Secondary

Change From Baseline in the SDS Total Score at Week 6 (LOCF)

Sheehan Disability Scale (SDS) total score is a subject-rated assessment of a subject's level of functional impairment in work/school, social life and family life/home responsibilities. The SDS total score ranges from a minimum of 0 to a maximum of 30. For the SDS total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The SDS contains three (3) items. The total score is computed as the sum of the scores for the 3 items.

Time frame: Baseline to 6 weeks

Population: Intention-to-Treat Population is analyzed. Values were missing for some subjects.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboChange From Baseline in the SDS Total Score at Week 6 (LOCF)-5.7 units on a scaleStandard Error 0.66
SM-13496 20 - 60 mg/DayChange From Baseline in the SDS Total Score at Week 6 (LOCF)-7.6 units on a scaleStandard Error 0.62
SM-13496 80 - 120 mg/DayChange From Baseline in the SDS Total Score at Week 6 (LOCF)-6.8 units on a scaleStandard Error 0.67
p-value: 0.03795% CI: [-3.6, -0.1]ANCOVA
p-value: 0.22395% CI: [-2.9, 0.7]ANCOVA
Secondary

Change From Baseline in the YMRS Total Score at Week 6

YMRS (Young Mania Rating Scale) is a clinician-rated assessment of the severity of mania in subjects with a diagnosis of bipolar disorder. The YMRS total score ranges from a minimum of 0 to a maximum of 60. For the YMRS total score, low scores indicate a better outcome and high scores indicate a worse outcome. When change from baseline is considered, a negative (decrease in score) value is considered a better outcome, and a positive (increase in score) value is considered a worse outcome. The YMRS contains eleven (11) items. The total score is computed as the sum of the scores for the 11 items.

Time frame: Baseline to 6 weeks

Population: Intention-to-Treat Population is analyzed.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PlaceboChange From Baseline in the YMRS Total Score at Week 6-0.51 units on a scaleStandard Error 0.19
SM-13496 20 - 60 mg/DayChange From Baseline in the YMRS Total Score at Week 6-0.98 units on a scaleStandard Error 0.18
SM-13496 80 - 120 mg/DayChange From Baseline in the YMRS Total Score at Week 6-0.99 units on a scaleStandard Error 0.191
p-value: 0.07695% CI: [-0.98, 0.05]Mixed Models Analysis
p-value: 0.07595% CI: [-1.01, 0.05]Mixed Models Analysis

Source: ClinicalTrials.gov · Data processed: Feb 6, 2026